Re: [PATCH V5 2/3] ASoC: fsl_asrc: replace the process_option table with function
From: S.j. Wang
Date: Sun Apr 21 2019 - 23:15:51 EST
> On Mon, Apr 22, 2019 at 02:32:35AM +0000, S.j. Wang wrote:
> > When we want to support more sample rate, for example 12kHz/24kHz
> > need update the process_option table, if we want to support more
> > sample rate next time, the table need to be updated again. which is
> > not flexible.
> > We got a function fsl_asrc_sel_proc to replace the table, which can
> > give the pre-processing and post-processing options according to the
> > sample rate.
> > Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
> A couple of more small comments.
> And please add this when you resend:
> Acked-by: Nicolin Chen <nicoleotsuka@xxxxxxxxx>
> > + * Unsupport cases: Tsout > 8.125 * Tsin, Tsout > 16.125 * Tsin
> Since we have a ratio validation somewhere else, it's okay to drop this line -
> - it may confuse people since the function no longer checks these
> unsupported cases.
I add this for may be in the future we forget the limitation. Just for a reminder.
> > +static int fsl_asrc_sel_proc(int inrate, int outrate,
> I think "void" type should be just fine as we made sure there is no
> unsupported cases running in this function.